| S. No | Organ | Number of members | Functions |
| 1. | United Nations General Assembly | 193 | (1) To elect the non-permanent members of the Security Council. (2) To choose the United Nations Secretary General and the judges of the International Court of Justice (ICJ) in consultation with the Security Council. (3) To pass the annual budget of the United Nations. |
| 2. | United Nations Security Council | 15 (5 Permanent and 10 Non Permanent) | (1) To maintain international peace and security. (2) To prepare policies for arms control. (3) To play a joint role along with the General Assembly in the appointments of the judges of the International Court of Justice and of the United Nations Secretary General. |
| 3. | International Court of Justice | 15 judges | (1) To settle the disputes between two or more member nations of the United Nations. (2) To interpret international law authentically. (3) To advise the various organs or subsidiary bodies of the United Nations about legal issues. |
| 4. | Economic and Social Council | 54 members | (1) Initiate discussions at the global level on issues like poverty, unemployment, economic and social inequality and suggest policies to tackle these problems. (2) Discuss issues like women’s questions, empowerment of women, human rights, fundamental freedoms, global trade, health related issues, etc., and make decisions. (3) Make efforts to establish cultural and educational cooperation at the international level. (4) Coordinate the functioning of the different organisations working in association with the United Nations. |